Installation Instructions for Mercedes GLE350 (2021-Current)

Part Numbers:

• 76925

Tools Required:

• Safety Glasses
• Ratchet
• Torque Wrench
• 6” Socket Extension
• Flat Head Screwdriver
• Die Grinder
• Marker
• Plastic Trim Tools
• Masking Tape
• Tape Measure
• Sockets: 8mm, 10mm, 12mm, 18mm
• T30 Torx Bit Socket

Step-by-Step Instructions:

1. Remove Fascia:

   • Using a 10mm socket, remove eight bolts from the bottom of the fascia.
   • Use a flat head screwdriver to remove three rivets from the outside of the wheel well liner and one rivet from the inside, per side. Remove one bolt inside the wheel well liner, per side, using a 10mm socket.
   • Open the tailgate. Use a T30 Torx bit to remove one screw from the rear trim panel at the center. Remove the plastic trim.
   • Remove plastic covers from the driver and passenger side panels. Use a plastic trim tool to remove the bolt cover from the cargo tie hook. Remove one bolt from each side using a 12mm socket.
   • Remove the taillights by first removing the cover from the passenger side panel. Use an 8mm socket with an extension to remove three hex nuts holding the taillight. Disconnect the wiring harness and remove the taillights.

2. Remove Bumper Beam:

   • Use an 18mm socket to remove four M12 flange nuts from the bolts securing the bumper beam to the end panel on each side. Remove the bumper beam and return it to the vehicle owner.
   • Note: The tow eye will be inoperative after bumper beam removal. Use the chain ring on the hitch as an alternative.

3. Install Hitch:

   • Raise the hitch into position, aligning holes with the studs on the end panel. Loosely install eight factory M12 flange nuts to secure the hitch.

4. Tighten Fasteners:

   • Using a torque wrench, tighten all M12 x 1.5 fasteners to 68 lb-ft (92 N·m).

5. Trim Fascia:

   • Use a tape measure, marker, and die grinder to measure, mark, and trim the bottom cover as shown in the instructions.

6. Reinstall Components:

   • Reinstall the fascia, taillights, plastic covers, plastic trim, and all fasteners.

Hardware List:

• (2) Bolts: M12 x 1.75 x 100mm, CL10.9
• (2) Flat Washers: 7/16"
• (2) Prevailing Torque Nuts: M12 x 1.75, CL10
• (1) Warning Card
• (1) Warning Label

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in trunk pan or other body panels to prevent the entry of water and exhaust fumes.
• Replace any damaged hitch or ball immediately.
• Observe safety precautions when working beneath the vehicle and wear eye protection.
• Do not cut access or attachment holes with a torch.

Specifications:

• Maximum Load Ratings:
  • Weight Carrying (Ball Mount):
    • Gross Trailer Weight: 3,500 lbs (1,589 kg)
    • Tongue Weight: 350 lbs (159 kg)
• Hitch Type: Class III
• Compliance: This product meets safety standards per V.E.S.C. Regulation V-5 and SAE J684.

Note: Always ensure compliance with the vehicle manufacturer’s maximum weight rating or the hitch's maximum load rating, whichever is lower.

Installation Instructions for Mercedes GLE350 (2021-Current)

Part Numbers:

• 76925

Tools Required:

• Safety Glasses
• Ratchet
• Torque Wrench
• 6” Socket Extension
• Flat Head Screwdriver
• Die Grinder
• Marker
• Plastic Trim Tools
• Masking Tape
• Tape Measure
• Sockets: 8mm, 10mm, 12mm, 18mm
• T30 Torx Bit Socket

Step-by-Step Instructions:

1. Remove Fascia:

   • Using a 10mm socket, remove eight bolts from the bottom of the fascia.
   • Use a flat head screwdriver to remove three rivets from the outside of the wheel well liner and one rivet from the inside, per side. Remove one bolt inside the wheel well liner, per side, using a 10mm socket.
   • Open the tailgate. Use a T30 Torx bit to remove one screw from the rear trim panel at the center. Remove the plastic trim.
   • Remove plastic covers from the driver and passenger side panels. Use a plastic trim tool to remove the bolt cover from the cargo tie hook. Remove one bolt from each side using a 12mm socket.
   • Remove the taillights by first removing the cover from the passenger side panel. Use an 8mm socket with an extension to remove three hex nuts holding the taillight. Disconnect the wiring harness and remove the taillights.

2. Remove Bumper Beam:

   • Use an 18mm socket to remove four M12 flange nuts from the bolts securing the bumper beam to the end panel on each side. Remove the bumper beam and return it to the vehicle owner.
   • Note: The tow eye will be inoperative after bumper beam removal. Use the chain ring on the hitch as an alternative.

3. Install Hitch:

   • Raise the hitch into position, aligning holes with the studs on the end panel. Loosely install eight factory M12 flange nuts to secure the hitch.

4. Tighten Fasteners:

   • Using a torque wrench, tighten all M12 x 1.5 fasteners to 68 lb-ft (92 N·m).

5. Trim Fascia:

   • Use a tape measure, marker, and die grinder to measure, mark, and trim the bottom cover as shown in the instructions.

6. Reinstall Components:

   • Reinstall the fascia, taillights, plastic covers, plastic trim, and all fasteners.

Hardware List:

• (2) Bolts: M12 x 1.75 x 100mm, CL10.9
• (2) Flat Washers: 7/16"
• (2) Prevailing Torque Nuts: M12 x 1.75, CL10
• (1) Warning Card
• (1) Warning Label

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in trunk pan or other body panels to prevent the entry of water and exhaust fumes.
• Replace any damaged hitch or ball immediately.
• Observe safety precautions when working beneath the vehicle and wear eye protection.
• Do not cut access or attachment holes with a torch.

Specifications:

• Maximum Load Ratings:
  • Weight Carrying (Ball Mount):
    • Gross Trailer Weight: 3,500 lbs (1,589 kg)
    • Tongue Weight: 350 lbs (159 kg)
• Hitch Type: Class III
• Compliance: This product meets safety standards per V.E.S.C. Regulation V-5 and SAE J684.

Attention: This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.

Technical Support:

For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.

Warranty Information:

For complete warranty instructions, please download the full installation PDF.

Installation Instructions for T-Connector Adapter

Part Numbers:

• 119191

Wiring Access Location:

• Near the rear of the vehicle, behind the bumper, or as indicated for vehicle-specific configurations.

Tools Required:

• Drill with a 3/32" drill bit.
• Phillips head #2 screwdriver.
• Wire cutters, wire strippers/crimpers.
• Tester or volt meter.
• Socket and ratchet set.
• Double-sided tape (provided).

Step-by-Step Instructions:

Installation of the Module:

1. Determine the mounting location for the module.

   • Use the provided double-sided tape to secure the module.
   • Ensure the epoxy side of the module faces downward to prevent water buildup.

2. Connect the module’s black wire to a 12-gauge (or larger) power wire using a yellow butt connector.

3. Locate a suitable grounding point near the module:

   • Drill a 3/32" hole if necessary and secure the white wire using the provided eyelet and self-tapping screw.
   • Clean the grounding area of dirt and rustproofing.

   Caution: Verify what is behind the surface before drilling to avoid damage or injury.

Routing Power to the Battery:

4. Route the power wire to the vehicle’s positive battery terminal:

   • Use the provided fuse holder, butt connector, and ring terminal to connect to the battery.
   • Do not insert the 15-amp fuse yet.

   Caution: Ensure the module is connected to a constant power source. Avoid using power sources that are interrupted when the vehicle is off.

Finalizing Installation:

5. Secure the wiring harness with the provided cable ties to prevent damage or rattling.

   • Avoid areas where wires may be pinched, cut, or melted.

6. Reconnect the vehicle’s negative (-) battery cable.

7. Insert the 15-amp fuse into the fuse holder and close the cap.

8. Test the installation with a test light or trailer to verify functionality.

   • Test each function independently and in combination.

   Specifications:

   • Max. stop/turn light: 2 per side (4.2 amps).
   • Max. tail lights: (7.5 amps).

Hardware List:

• T-Connector adapter.
• 15-amp fuse.
• Fuse holder.
• Eyelet and self-tapping screw.
• Double-sided tape.
• Cable ties.

Safety Notes:

• Handle all components with care to avoid damage.
• Ensure all connections are clean and securely fastened.
• Overloading circuits can cause fires. Do not exceed the towing manufacturer’s rating or the unit specifications.

Manufacturer Notes:

• Read and follow all vehicle warnings and installation instructions.
• Use a test light or trailer to confirm proper installation.
• Consult the vehicle owner’s manual for additional details.

Installation Instructions for T-Connector Adapter

Part Numbers:

• 119191

Wiring Access Location:

• Near the rear of the vehicle, behind the bumper, or as indicated for vehicle-specific configurations.

Tools Required:

• Drill with a 3/32" drill bit.
• Phillips head #2 screwdriver.
• Wire cutters, wire strippers/crimpers.
• Tester or volt meter.
• Socket and ratchet set.
• Double-sided tape (provided).

Step-by-Step Instructions:

Installation of the Module:

1. Determine the mounting location for the module.

   • Use the provided double-sided tape to secure the module.
   • Ensure the epoxy side of the module faces downward to prevent water buildup.

2. Connect the module’s black wire to a 12-gauge (or larger) power wire using a yellow butt connector.

3. Locate a suitable grounding point near the module:

   • Drill a 3/32" hole if necessary and secure the white wire using the provided eyelet and self-tapping screw.
   • Clean the grounding area of dirt and rustproofing.

   Caution: Verify what is behind the surface before drilling to avoid damage or injury.

Routing Power to the Battery:

4. Route the power wire to the vehicle’s positive battery terminal:

   • Use the provided fuse holder, butt connector, and ring terminal to connect to the battery.
   • Do not insert the 15-amp fuse yet.

   Caution: Ensure the module is connected to a constant power source. Avoid using power sources that are interrupted when the vehicle is off.

Finalizing Installation:

5. Secure the wiring harness with the provided cable ties to prevent damage or rattling.

   • Avoid areas where wires may be pinched, cut, or melted.

6. Reconnect the vehicle’s negative (-) battery cable.

7. Insert the 15-amp fuse into the fuse holder and close the cap.

8. Test the installation with a test light or trailer to verify functionality.

   • Test each function independently and in combination.

   Specifications:

   • Max. stop/turn light: 2 per side (4.2 amps).
   • Max. tail lights: (7.5 amps).

Hardware List:

• T-Connector adapter.
• 15-amp fuse.
• Fuse holder.
• Eyelet and self-tapping screw.
• Double-sided tape.
• Cable ties.

Safety Notes:

• Handle all components with care to avoid damage.
• Ensure all connections are clean and securely fastened.
• Overloading circuits can cause fires. Do not exceed the towing manufacturer’s rating or the unit specifications.

Attention:

This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.

For Technical Support:

For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.

Warranty Information:

For complete warranty instructions, please download the full installation PDF.

Manufacturer Notes:

• Read and follow all vehicle warnings and installation instructions.
• Use a test light or trailer to confirm proper installation.
• Consult the vehicle owner’s manual for additional details.